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Definition of Quassation
1. n. The act of shaking, or the state of being shaken.
Medical Definition of Quassation
1. The breaking up of crude drug materials, such as bark and woody stems, into small pieces to facilitate extraction and other treatment. Origin: L. Quassatio, fr. Quasso, pp. -atus, to shake violently, fr. Quatio, to shake (05 Mar 2000)